OSTime.h

#ifndef RVL_SDK_OS_TIME_H
#define RVL_SDK_OS_TIME_H
#include <revolution/OS/OSHardware.h>
#include <types.h>
#ifdef __cplusplus
extern "C" {
#endif
 
// Time base frequency = 1/4 bus clock
#define OS_TIME_SPEED (OS_BUS_CLOCK_SPEED / 4)
 
// OS time -> Real time
#define OS_TICKS_TO_SEC(x) ((x) / (OS_TIME_SPEED))
#define OS_TICKS_TO_MSEC(x) ((x) / (OS_TIME_SPEED / 1000))
#define OS_TICKS_TO_USEC(x) (((x) * 8) / (OS_TIME_SPEED / 125000))
#define OS_TICKS_TO_NSEC(x) (((x) * 8000) / (OS_TIME_SPEED / 125000))
 
// Real time -> OS time
#define OS_SEC_TO_TICKS(x) ((x) * (OS_TIME_SPEED))
#define OS_MSEC_TO_TICKS(x) ((x) * (OS_TIME_SPEED / 1000))
#define OS_USEC_TO_TICKS(x) ((x) * (OS_TIME_SPEED / 125000) / 8)
#define OS_NSEC_TO_TICKS(x) ((x) * (OS_TIME_SPEED / 125000) / 8000)
 
// Interpret as signed to find tick delta
#define OS_TICKS_DELTA(x, y) ((s32)x - (s32)y)
 
typedef struct OSCalendarTime {
    s32 sec;   // at 0x0
    s32 min;   // at 0x4
    s32 hour;  // at 0x8
    s32 mday;  // at 0xC
    s32 month; // at 0x10
    s32 year;  // at 0x14
    s32 wday;  // at 0x18
    s32 yday;  // at 0x1C
    s32 msec;  // at 0x20
    s32 usec;  // at 0x24
} OSCalendarTime;
 
s64 OSGetTime(void);
u32 OSGetTick(void);
 
s64 __OSGetSystemTime(void);
s64 __OSTimeToSystemTime(s64 time);
 
void OSTicksToCalendarTime(s64 time, OSCalendarTime* cal);
s64 OSCalendarTimeToTicks(const OSCalendarTime* cal);
 
#ifdef __cplusplus
}
#endif
#endif